Registration Dossier
Registration Dossier
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EC number: 700-292-6 | CAS number: 135043-68-4
Water solubility
Administrative data
- Endpoint:
- water solubility
- Type of information:
- experimental study
- Adequacy of study:
- key study
- Reliability:
- 1 (reliable without restriction)
- Rationale for reliability incl. deficiencies:
- other: Follows a recognised guideline and performed to GLP standards.
Data source
Reference
- Reference Type:
- study report
- Title:
- Unnamed
- Year:
- 2 008
- Report date:
- 2008
Materials and methods
Test guideline
- Qualifier:
- according to guideline
- Guideline:
- EU Method A.6 (Water Solubility)
- GLP compliance:
- yes (incl. QA statement)
- Type of method:
- flask method
Test material
- Reference substance name:
- trisodium 6,6',6"-(1,3,5-triazine-2,4,6-triyltriimino)trihexanoate
- IUPAC Name:
- trisodium 6,6',6"-(1,3,5-triazine-2,4,6-triyltriimino)trihexanoate
Constituent 1
Results and discussion
Water solubilityopen allclose all
- Water solubility:
- 193 g/L
- Temp.:
- 20 °C
- pH:
- 8.8
- Water solubility:
- 297 g/L
- Temp.:
- 20 °C
- pH:
- 8.9
- Water solubility:
- 701 g/L
- Temp.:
- 20 °C
- pH:
- 9
- Details on results:
- Preliminary test - Preliminary testing indicated that on using a loading rate of 100 g trisodium 6,6',6"-(1,3,5-triazine-2,4,6-triyltriimino)trihexanoate per litre of glass double-distilled water, a sample concentration of 98.1 g test material per litre of solution was obtained. The pH of this solution was 7.5. As the loading rate and sample concentration numbers were very similar, extra method development work was then carried out; the results for this extra work suggested that the sample concentration was dependent on the loading rate.
Definitive test: The concentrations (g/l) of trisodium 6,6',6"-(1,3,5-triazine-2,4,6-triyltriimino)trihexanoate in the sample solution is shown in the table below.
Any other information on results incl. tables
Concentration of trisodium 6,6',6"-(1,3,5-triazine-2,4,6-triyltriimino)trihexanoate in sample solution:
| Sample number | Time shaken at 30 C (Hours) | Time equilibrated at 20 C (Hours) | Concentration (g/l) | Solution pH |
| 1 | 19.25 | 3 | 193 | 8.8 |
| 2 | 19.25 | 3 | 297 | 8.9 |
| 3 | 19.25 | 3 | 701 | 9.0 |
Applicant's summary and conclusion
- Conclusions:
- Interpretation of results (migrated information): other: water solubility is loading rate dependent
No precise value for water solubility could be determined: results obatined from sample analyses showed a dependence on loading rate. This may suggest formation of colloidal solutions or micro-emulsions rather than true dissolution.
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